Class 12th Biology 2016 Set1 Outside Delhi Board Paper Solution
Question 1
A male honeybee has 16 chromosomes whereas its female has 32 chromosomes. Give one reason.
Answer
It is because of Haploid which is a sex determination system in which males develop from unfertilized eggs and are haploid, and females develop from fertilized eggs and are diploid.
Popular Questions of Class 12th biology
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(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals. - Q:- With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
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- Q:- Explain the Law of Dominance using a monohybrid cross.
Recently Viewed Questions of Class 12th biology
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(a) Abortions could happen spontaneously too. (True/False)
(b) Infertility is defined as the inability to produce a viable offspring and is always due to abnormalities/defects in the female partner. (True/False)
(c) Complete lactation could help as a natural method of contraception. (True/False)
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